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The investigation of the interaction between insulin sensitivity and fatty acids

Research Project

Project/Area Number 24500994
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Eating habits, studies on eating habits
Research InstitutionKyorin University (2014)
Saitama Medical University (2012-2013)

Principal Investigator

TOSHIO Hosaka  杏林大学, 医学部, 講師 (60403698)

Research Collaborator SAKAUE Hiroshi  徳島大学大学院, 栄養生命学教育部, 教授 (60372645)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsglut4 / トランスロケーション / 細胞骨格 / 脂肪酸 / GLUT4 / 脂肪合成
Outline of Final Research Achievements

Insulin stimulates GLUT4 vesicle recruitment from its intracellular storage site to the PM. Cysteine string protein 1 (CSP1) is a SNARE-binding protein involved in the vesicular trafficking of neurotransmitters and other exocytic processes. In this study, we found that CSP1 is involved in insulin resistance by interrupting GLUT4 vesicle docking with the PM.
The fatty acid binding protein X has reported to bind CSP1. The down-regulation of fatty acid binding protein X increases the CSP1 expression and decrease the insulin stimulated GLUT4 translocation. We are now investigating and confirming the preliminary result about the role of the fatty acid binding protein X in GLUT4 translocation and diabetes to exam the interaction with specific fatty acid and cytoskeleton and analyze the knockout mice, belonging to find the new targets of diabetes treatment.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (8 results)

All 2015 2014 2013 2012

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (5 results)

  • [Journal Article] CSP1 modulates insulin sensitivity by attenuating GLUT4 vesicle docking with the plasma membrane2013

    • Author(s)
      Bayasgalan Jambaldorj, Eri Terada, Toshio Hosaka, Yuka Kishuku, Yukiko Tomioka, Kaori Iwashima, Yohko Hirata, Kiyoshi Teshigawara, Chung Thi Kim Le, Tadahiko Nakagawa, Nagakatsu Harada, Tohru Sakai, Hiroshi Sakaue, Toshio Matsumoto, Makoto Funaki, Akira Takahashi and Yutaka Nakaya1.
    • Journal Title

      Journal of medical investigation

      Volume: 60(3-4) Pages: 197-204

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Activation of Akt through 5-HT2A receptor ameliorates serotonin-induced degradation of insulin receptor substrate-1 in adipocytes2013

    • Author(s)
      李勤凱
    • Journal Title

      Molecular and cellular endocrinology

      Volume: 365 Issue: 1 Pages: 25-35

    • DOI

      10.1016/j.mce.2012.08.022

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Decreased expression of MHC class II and cathepsin E in dendritic cells might contribute to impaired induction of antigen-specific T cell response in NC/Nga mice.2012

    • Author(s)
      Sakai T, Shuto E, Taki T, Imamura H, Kioka M, Nakamoto A, Mizoguchi S, Amano S, Kawano Y, Nakamoto M, Tsutumi R, Hosaka T.
    • Journal Title

      Journal of medical investigation

      Volume: 59(1-2) Pages: 95-101

    • NAID

      130004465275

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] ATBP, Adipocyte-specific Tubulin-Binding Protein, Can Control Cytoskeletal Structure, and Insulin Stimulated Glucose Uptake2015

    • Author(s)
      Masashi Kuroda, Rie Okitsu, Mari Kondo, Kasumi Nakagawa, Toshio Hosaka, Nagakatsu Harada, Hiroshi Skaue
    • Organizer
      75th Scientific Sessions of American diabetes association
    • Place of Presentation
      Boston, USA
    • Year and Date
      2015-06-05 – 2015-06-09
    • Related Report
      2014 Annual Research Report
  • [Presentation] 細胞骨格制御分子-synucleinによる糖取り込み機構の解析2014

    • Author(s)
      黒田雅史、阪上浩、保坂利男、興津理絵、原田永勝、中屋豊
    • Organizer
      日本肥満学会
    • Place of Presentation
      宮崎
    • Year and Date
      2014-10-24 – 2014-10-25
    • Related Report
      2014 Annual Research Report
  • [Presentation] 細胞骨格制御分子による糖取り込み機構の解析2014

    • Author(s)
      興津理絵、黒田雅士、保坂利男、坂東正浩、原田永勝、中屋豊、阪上浩
    • Organizer
      第57回日本糖尿病学会年次学術集会
    • Place of Presentation
      大阪
    • Year and Date
      2014-05-22 – 2014-05-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] 細胞骨格制御分子による糖取り込み機構の解析2014

    • Author(s)
      興津理絵、阪上浩、保坂利男、高橋友奈、黒田雅士、Bayasgalan Jambaldorj、原田永勝、中屋豊
    • Organizer
      第87回日本内分泌学会
    • Place of Presentation
      福岡
    • Related Report
      2013 Research-status Report
  • [Presentation] 細胞骨格制御分子による糖取り込み機構の解析2013

    • Author(s)
      興津理絵、阪上浩、保坂利男、高橋友奈、黒田雅士、Bayasgalan Jambaldorj、原田永勝、中屋豊
    • Organizer
      第34回日本肥満学会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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